Retrieve a compressed file from a ZIP file : ZipFile « File « Java Tutorial

1. Java Tutorial
2. File
3. ZipFile

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.zip.ZipInputStream;

public class Main {
  public static void main(String[] argv) throws Exception {
    ZipInputStream in = new ZipInputStream(new FileInputStream("source.zip"));
    OutputStream out = new FileOutputStream("target");
    byte[] buf = new byte[1024];
    int len;
    while ((len = in.read(buf)) > 0) {
      out.write(buf, 0, len);
    }
    out.close();
    in.close();
  }
}